During an Interview, a Parent of a Hospitalized Child Is

During an interview, a parent of a hospitalized child is sitting in a recliner with his legs extended and his arms at his sides. As the interviewer begins to discuss his son's treatment, however, he suddenly changes positions and crosses his arms against his chest and crosses his legs. What does this change in posture suggest?

A) Simply changing positions
B) More comfortable in this position
C) Tired and needs a break from the interview
D) Uncomfortable talking about his son's treatment